SEMA Show exhibitors enlist top vehicle builders to create custom cars and trucks that will generate worldwide attention and stand out at the premier automotive trade show each year. More than 250 of these builders will compete in the 4th annual SEMA Battle of the Builders competition, with the finalists announced during the 2017 SEMA Show in Las Vegas, Nev., and the winner announced during the nationwide television taping at SEMA Ignited on Friday, Nov. 3.